Hello everyone, I am working one the Module Build Reusable Lightning Components in the Unit Create an Indicator Badge Apex Service, I did all the steps but when I tried to verify this step I get an error: "Challenge Not yet complete... here's what's wrong: 
There was an unexpected error in your org which is preventing this assessment check from completing: System.ListException: List index out of bounds: 0"

Since it is only two Copy / Paste the chanllange of this unit, can someone help me with this ?